Patchwork [21/31] kvm: x86: Fix xcr0 reset mismerge

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Submitter Marcelo Tosatti
Date Jan. 24, 2011, 9:02 a.m.
Message ID <1a5e9d2fafa5d31587e218cea462637bfad52b53.1295859760.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/80142/
State New
Headers show

Comments

Marcelo Tosatti - Jan. 24, 2011, 9:02 a.m.
From: Jan Kiszka <jan.kiszka@siemens.com>

For unknown reasons, xcr0 reset ended up in kvm_arch_update_guest_debug
on upstream merge. Fix this and also remove the misleading comment (1 is
THE reset value).

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 target-i386/kvm.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

Patch

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 07c75c0..c4a22dd 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -450,6 +450,7 @@  void kvm_arch_reset_vcpu(CPUState *env)
     env->interrupt_injected = -1;
     env->nmi_injected = 0;
     env->nmi_pending = 0;
+    env->xcr0 = 1;
     if (kvm_irqchip_in_kernel()) {
         env->mp_state = cpu_is_bsp(env) ? KVM_MP_STATE_RUNNABLE :
                                           KVM_MP_STATE_UNINITIALIZED;
@@ -1759,8 +1760,6 @@  void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg)
                 ((uint32_t)len_code[hw_breakpoint[n].len] << (18 + n*4));
         }
     }
-    /* Legal xcr0 for loading */
-    env->xcr0 = 1;
 }
 #endif /* KVM_CAP_SET_GUEST_DEBUG */